* Using OpenSceneGraph-3.6 causes problems elsewhere: [[OSGText Issues]]
+
* Using OpenSceneGraph-3.6 causes problems elsewhere: [[OSGText Issues]] (under investigation as of 11/2020) <ref>https://sourceforge.net/p/flightgear/mailman/message/37157550/</ref>
=== Current limitations that we know how to fix ===
=== Current limitations that we know how to fix ===